rmrevin / yii2-fontawesome

    public function addCssClass($class, $condition = true, $throw = false)

    {

        if ($condition === false) {

            if (!empty($throw)) {

                $message = !is_string($throw)

                    ? 'Condition is false'

                    : $throw;

                throw new \yii\base\InvalidConfigException($message);

            }

        } else {

            Html::addCssClass($this->options, $class);

        }

    public function addTransformation($transformation, $condition = true, $throw = false)

    {

        if ($condition === false) {

            if (!empty($throw)) {

                $message = !is_string($throw)

                    ? 'Condition is false'

                    : $throw;

                throw new \yii\base\InvalidConfigException($message);

            }

        } else {

            $transformations = ArrayHelper::getValue($this->options, ['data', FA::$cssPrefix . '-transform'], []);

            if (!ArrayHelper::isIn($transformation, $transformations)) {

    public function addMask($maskIcon, $condition = true, $throw = false)

    {

        if ($condition === false) {

            if (!empty($throw)) {

                $message = !is_string($throw)

                    ? 'Condition is false'

                    : $throw;

                throw new \yii\base\InvalidConfigException($message);

            }

        } else {

            ArrayHelper::setValue($this->options, ['data', FA::$cssPrefix . '-mask'],

                FA::i($maskIcon)->options['class']);